I have three SDM lenses, with more than 20,000 exposures on them. No problems with SDM. Great image quality and performance from all of them. Paul
On Dec 19, 2010, at 4:36 AM, Boris Liberman wrote: > Cory, for whatever it is worth, I tried Bob's 60-250 in Chicago briefly and > was very impressed with its ergonomics. The IQ is second to none as many > examples on this list show. > > Still, I recently shot a portrait of a co-worker across the room with Nikon > 70-200/2.8 (letter soup omitted due to lack of memory) with D300. I used 200 > mm and f/2.8 to isolate the subject. Was very pleasantly surprised. > > And finally, I've met two days ago yet another Pentaxian friend who bout > 17-70/4 SDM not a long ago and who also has a modern manual focus zoom lens > on his hands now. > > Please don't misunderstand me, but I'd rather steer away from SDM lenses. > > Boris > > P.S. Without knowing too much details, two lenses come to mind: Sigma > 100-300/4 and Tamron 70-200/2.8. One of my friends has Tamron for Canon > mount. It is honking big and appropriately heavy. But it yields good > pictures... > > On 12/18/2010 1:39 AM, Cory Waters wrote: >> Thinking about surprising Santa this year and stuffing my own stocking. >> I'd likely use the lens for youth soccer (futball), nature, and auto >> racing shots. >> I know the 2.8 would be nice (faster is ALWAYS better, right?) >> The Pentax lens has a bit more reach in either direction. My current >> lens for shooting these soccer games is the DA 50-200. I get decent >> shots but but they mostly need cropping. The extra 50mm would be nice >> and I'd be moving from 5.6 to F4 so that's better. >> The Pentax would have better integration with my K10 and future bodies. >> Do any of the 3rd party lenses work with the supersonic focus motor? >> >> The Pentax lens is more than a little bit more money though... >> >> What to do? >> >> Cory >> > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.